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Games__________always_________a popular activity. (be)
Games have always been a popular activity.
People ____________games for thousands of years. (enjoy)
People have enjoyed games for thousands of years.
I______________chess for five years. (play)
I have played chess for five years.
I have been a teacher ___________2018.
I have been a teacher since 2018.
Scientists have been confused ____________ many years.
Scientists have been confused for many years.
How long ________you__________in Prague (live)?
How long have you lived in Prague (live)?
How long_________she__________in California? (be)
How long has she been in California?
________they always_________video games? (like)
Have they always liked video games?
My brother ______________ video games since last Friday. (not/play)
My brother hasn't played video games since last Friday.
The students ___________the test yet. (not/play)
The students haven't played the test yet.
I _______________the castle. (not/visit)
I haven't visited the castle.
It____________to snow. (not/start)
It hasn't started to snow.
